Medical device with antimicrobial layer

Details Medical device with antimicrobial layer Medical device with antimicrobial layer

A - Human Necessities

61

L

A61L 29/16 (2006.01) A61F 2/82 (2006.01) A61J 15/00 (2006.01) A61L 27/00 (2006.01) A61L 29/08 (2006.01) A61M 16/00 (2006.01) A61M 16/04 (2006.01) A61M 39/00 (2006.01)

Patent

CA 2523857

A medical device includes a conduit for a fluid. The conduit has a wall formed of a hydrophobic polymer with a hydrophilic polymer layer extruded over it, and an antimicrobial substantially dispersed within the hydrophilic polymer. The antimicrobial compound may be a predetermined amount of phosphorus-based glass having a predetermined quantity of a metal such as silver substantially dispersed therein. The medical device may be an endotracheal tube made by providing a hydrophobic polymer, a hydrophilic polymer and an antimicrobial compound, forming the hydrophobic polymer, the hydrophilic polymer and the antimicrobial compound into a conduit, and forming a cuff on an end of the conduit.

L'invention concerne un dispositif médical comprenant un conduit pour un fluide. Ce conduit est doté d'une paroi formée d'un polymère hydrophobe avec une couche polymérique hydrophile extrudée par-dessus, et un agent antimicrobien sensiblement réparti dans le polymère hydrophile. Ce composé antimicrobien peut consister en une quantité prédéterminée de verre à base de phosphore possédant une quantité prédéterminée d'un métal tel que l'argent sensiblement réparti dedans. Ce dispositif médical peut être un tube endotrachéal fabriqué au moyen d'un polymère hydrophobe, un polymère hydrophile et un composé antimicrobien, et par formation du polymère hydrophobe, du polymère hydrophile et du composé antimicrobien dans un conduit, puis par formation d'un ballonnet sur une extrémité du conduit.

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